Home / 2,313.32-3,470.29-1,217.75

Finding the Fourth Proportional to 2,313.32, 3,470.29 and 1,217.75

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Solution

The fourth proportional to 2,313.32, 3,470.29 and 1,217.75 is: 1,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.32 : 3,470.29 = 1,217.75 : x
  2. Step 2: Convert to fraction form
    2,313.32/3,470.29 = 1,217.75/x
  3. Step 3: Cross multiply
    2,313.32x = 3,470.29 × 1,217.75
  4. Step 4: Simplify right side
    2,313.32x = 4,225,951.28
  5. Step 5: Solve for x
    x = 4,225,951.28/2,313.32
  6. Step 6: Final answer
    x = 1,826.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.